The Homesaver Pro 8×13 Chimney cap has a clean stylish design that will protect your home and enhance chimney draft no matter what type of fuel is being used. It features a 100% 304 Stainless Steel build right down to the Hex Head screws. The Mesh screen is an 8” high, 18 ga. 3/4” stainless steel mesh to prevent animals or debris from getting into your home and also to prevent flying embers from exiting the flue. The 8×13 Cap will fit outside flue dimensions of 6 1/2” x 11 1/2” to 9” x 14”. This American made Homesaver Pro chimney cap is also very simple to install making it a great option for the average home owner.